organ | parasitic mode | stage | note | taxonomic group | parasite |
---|---|---|---|---|---|
leaf | leaf spot | Mycosphaerellaceae | Septoria calamagrostidis | ||
leaf | leaf spot | Mycosphaerellaceae | Graminopassalora graminis | ||
leaf | leaf spot | Ploettnerulaceae | Oculimacula yallundae | ||
root collar | scale | Coccidae | Lecanopsis formicarum | ||
fruit | vagrant | Lygaeidae | Nysius thymi | ||
leaf | vagrant | Miridae | Trigonotylus caelestialium | ||
root collar | vagrant | Cydnidae | Ochetostethus nanus | ||
leaf | vagrant | Rhopalidae | Chorosoma schillingii | ||
root | vagrant | Cydnidae | Byrsinus flavicornis | ||
root | vagrant | Cydnidae | Ochetostethus opacus | ||
leaf | vagrant | Miridae | Acetropis carinata | ||
root | scale | Rhizoecidae | Rhizoecus tritici | ||
scale | Pseudococcidae | Peliococcus phyllobius | |||
root | vagrant | Cerambycidae | Iberodorcadion fuliginator | ||
root | vagrant | Cerambycidae | Iberodorcadion isernii | ||
root | vagrant | Cerambycidae | Iberodorcadion aguadoi | ||
root | vagrant | Cerambycidae | Iberodorcadion graellsii | ||
leaf | vagrant | Cicadellidae | Zyginidia viaduensis | ||
leaf | vagrant | Aphrophoridae | Neophilaenus minor | ||
leaf | vagrant | doubtful | Cicadellidae | Psammotettix angulatus | |
stem | borer | Chloropidae | Oscinimorpha koeleriae | ||
stem | scale | Eriococcidae | Greenisca glyceriae | ||
root | scale | Eriococcidae | Rhizococcus gnidii | ||
leaf | scale | Eriococcidae | Acanthococcus greeni | ||
leaf | scale | Eriococcidae | Acanthococcus inermis | ||
leaf | scale | Eriococcidae | Acanthococcus insignis | ||
leaf | scale | Eriococcidae | Acanthococcus pseudinsignis | ||
root | scale | Eriococcidae | Acanthococcus cingulatus | ||
leaf | miner | older larva | Coleophoridae | Coleophora ornatipennella | |
leaf | miner | older larva | Coleophoridae | Coleophora lixella | |
leaf | vagrant | Aphididae | Israelaphis carmini | ||
systemic | borer | Anguinidae | Ditylenchus dipsaci | ||
fruit | gall | Hypocreales | Claviceps purpurea | ||
fruit | gall | Tilletiales | Tilletia controversa | ||
flower | gall | Anguinidae | Anguina agrostis | ||
leaf | down | Erysiphales Erysiphaceae | Blumeria graminis | ||
leaf | leaf spot | Georgefischeriales | Jamesdicksonia dactylidis | ||
leaf | film | Ustilaginales | Tranzscheliella hypodytes | ||
leaf | miner | Elachistidae | Elachista albifrontella | ||
leaf | miner | Elachistidae | Elachista argentella | ||
leaf | miner | Elachistidae | Elachista baltica | ||
leaf | miner | Elachistidae | Elachista herrichii | ||
leaf | miner | Elachistidae | Elachista ozeini | ||
leaf | pustule | uredinia telia | Pucciniales | Puccinia coronata | |
leaf | pustule | uredinia telia | Pucciniales | Puccinia fragosoi | |
leaf | pustule | uredinia telia | Pucciniales | Puccinia graminis | |
leaf | pustule | uredinia telia | Pucciniales | Puccinia longissima | |
leaf | pustule | uredinia telia | Pucciniales | Puccinia scarlensis | |
leaf | pustule | uredinia telia | Pucciniales | Puccinia thalictri-koeleriae | |
leaf | stripe | Tilletiales | Tilletia sterilis | ||
leaf | stripe | Ustilaginales | Ustilago striiformis | ||
stem | vagrant | Aphididae | Laingia psammae | ||
root collar | gall | Eurytomidae | Tetramesa schlechtendali |
Organ
the part of the plant that most conspicuously is hit by the parasiteall buds: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
fruit: also seed
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant.
PARASITIC MODE
borer: larva living internally, almost no outwards signsdown: 0.5-2 mm high fungal down
film: very thin cover of fungal tussue
gall: swelling and/or malformation
grazer: feeding at the outside of the plant
leaf spot: discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner-borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
stripe: longitudinal line of fungal tissue in a grass leaf
vagrant: (aphids, mites) living freely on the plant, at higher densitiy causing malformations.
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IMPORTANT
The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.